Paintbrush



FIG. 1 is a top, rear end and side perspective view of a paintbrushshowing my new design;

FIG. 2 is a partial cross-sectional view thereof, taken along line 2--2in FIG. 1; and

FIG. 3 is a bottom, front end and opposite side perspective viewthereof.

The ornamemtal design for a paintbrush, as shown and described.